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We can see, then ,that each stage of the family life cycle involves defferent adjustments and new forms of learning. Although, inevitably, it doesn't fit every single family, identifying the different stages in this way has proved to be very useful for marriage guidance counsellors and other people who are either trying to help people to adjust to changes in their relationships, ore who are trying to do the adjusting themselves.
Having said that, the number of modern families which fits this simple pattern is becoming increasingly few. Families break up and re-form with new members, single-parent families are increasing common, and people with grown-up children often find themselves in new relationships which involve bringing up much younger children. Models like Duvall's can be helpful, but they are not be any means the whole pattern of our life span family development.
Insight
The family life cycle model can help us understand the adaptations that parents must make. But modern families are not always so neat, with overlapping generations, stepchildren from previous relationships and other complications. So, relatively few families follow the pattern exactly the way that the theory proposes.
